CAPITAL MATTERS (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), Actual, Amount	$ 229,007	$ 221,361
Total capital (to risk weighted assets), Actual, Ratio	0.146	0.142
Total capital (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 125,736	$ 124,971
Total capital (to risk weighted assets), For Capital Adequacy Purposes, Ratio	0.080	0.080
Total capital (to risk weighted assets), To Be Well Capitalized, Amount	$ 157,170	$ 156,213
Total capital (to risk weighted assets), To Be Well Capitalized, Ratio	0.100	0.100
Tier 1 capital (to risk weighted assets), Actual, Amount	$ 209,302	$ 203,422
Tier 1 capital (to risk weighted assets), Actual, Ratio	0.133	0.130
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 94,302	$ 93,728
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes, Ratio	0.060	0.060
Tier 1 capital (to risk weighted assets), To Be Well Capitalized, Amount	$ 125,736	$ 124,971
Tier 1 capital (to risk weighted assets), To Be Well Capitalized, Ratio	0.080	0.080
Common equity tier 1 (to risk weighted assets), Actual, Amount	$ 209,302	$ 203,422
Common equity tier 1 (to risk weighted assets), Actual, Ratio	13.30%	13.00%
Common equity tier 1 (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 70,727	$ 70,296
Common equity tier 1 (to risk weighted assets), For Capital Adequacy Purposes, Ratio	4.50%	4.50%
Common equity tier 1 (to risk weighted assets), To Be Well Capitalized, Amount	$ 102,161	$ 101,539
Common equity tier 1 (to risk weighted assets), To Be Well Capitalized, Ratio	6.50%	6.50%
Tier 1 leverage ratio (to adjusted total assets), Actual, Amount	$ 209,302	$ 203,422
Tier 1 leverage ratio (to adjusted total assets), Actual, Ratio	0.116	0.115
Tier 1 leverage ratio (to adjusted total assets), For Capital Adequacy Purposes, Amount	$ 72,145	$ 70,610
Tier 1 leverage ratio (to adjusted total assets), For Capital Adequacy Purposes, Ratio	0.040	0.040
Tier 1 leverage ratio (to adjusted total assets), To Be Well Capitalized, Amount	$ 90,181	$ 88,262
Tier 1 leverage ratio (to adjusted total assets), To Be Well Capitalized, Ratio	0.050	0.050
Citizens Community Bancorp, Inc.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), Actual, Amount	$ 226,800	$ 218,737
Total capital (to risk weighted assets), Actual, Ratio	0.144	0.140
Total capital (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 125,736	$ 124,971
Total capital (to risk weighted assets), For Capital Adequacy Purposes, Ratio	0.080	0.080
Tier 1 capital (to risk weighted assets), Actual, Amount	$ 157,095	$ 150,798
Tier 1 capital (to risk weighted assets), Actual, Ratio	0.100	0.097
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 94,302	$ 93,728
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes, Ratio	0.060	0.060
Common equity tier 1 (to risk weighted assets), Actual, Amount	$ 157,095	$ 150,798
Common equity tier 1 (to risk weighted assets), Actual, Ratio	10.00%	9.70%
Common equity tier 1 (to risk weighted assets), For Capital Adequacy Purposes, Amount	$ 70,727	$ 70,296
Common equity tier 1 (to risk weighted assets), For Capital Adequacy Purposes, Ratio	4.50%	4.50%
Tier 1 leverage ratio (to adjusted total assets), Actual, Amount	$ 157,095	$ 150,798
Tier 1 leverage ratio (to adjusted total assets), Actual, Ratio	0.087	0.085
Tier 1 leverage ratio (to adjusted total assets), For Capital Adequacy Purposes, Amount	$ 72,145	$ 70,610
Tier 1 leverage ratio (to adjusted total assets), For Capital Adequacy Purposes, Ratio	0.040	0.040